一道好题的巧解江苏省姜堰中学李环生《中学物理教学参考》１９９６年第１期刊载了“高中物理总复习试题精编”（力学部分），其中有一道好题（题号１１０）是；如图１（原图号５７）所示，质量Ｍ＝１０千克的木楔置于粗糙水平地面．在倾角为３０°的斜面底端有一质量ｍ＝... A good solution to the good question Jiangsu Jiangyan Middle School Li Huansheng “secondary school physics teaching reference” in 1996 the first issue of the “high school physics review review” (mechanics part), which has a good title (question number 110) Yes; as shown in Figure 1 (original figure 57), a wooden wedge with mass M=10 kg is placed on a rough level ground. At the bottom of the bevel with an inclination of 30° there is a mass of m=...